package com.lz.filter.mvcHandlerInterceptor;


import com.google.gson.Gson;
import com.lz.common.utils.SecurityUtil;
import com.lz.servlet.domain.entity.Logger;
import com.lz.servlet.mapper.LoggerMapper;
import org.springframework.stereotype.Component;
import org.springframework.web.servlet.HandlerInterceptor;
import org.springframework.web.servlet.ModelAndView;

import javax.annotation.Resource;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.util.UUID;
@Component
public class LogInterceptor implements HandlerInterceptor {

    private static final org.slf4j.Logger log = org.slf4j.LoggerFactory.getLogger(LogInterceptor.class);

    @Resource
    private LoggerMapper loggerMapper;

    @Resource
    private Gson gson;

    @Override
    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {
        //生成链路追踪
        String string = UUID.randomUUID().toString();
        log.info("生成链路追踪--->"+string);
        Logger logger = new Logger();
        logger.setTraceId(string);
        logger.setRequestPath(request.getRequestURI());
        logger.setRequestMethod(request.getMethod());
        logger.setRequestParam(gson.toJson(request.getParameterMap()));
        logger.setIp(request.getRemoteAddr());
        logger.setUserName(SecurityUtil.getId());
        loggerMapper.insert(logger);

        request.setAttribute("traceId",string);

        return HandlerInterceptor.super.preHandle(request, response, handler);
    }

    @Override
    public void postHandle(HttpServletRequest request, HttpServletResponse response, Object handler, ModelAndView modelAndView) throws Exception {
        HandlerInterceptor.super.postHandle(request, response, handler, modelAndView);
    }

    @Override
    public void afterCompletion(HttpServletRequest request, HttpServletResponse response, Object handler, Exception ex) throws Exception {
        HandlerInterceptor.super.afterCompletion(request, response, handler, ex);
    }
}
